Home / 26,900.16-40,356.72-8,432.16

Finding the Fourth Proportional to 26,900.16, 40,356.72 and 8,432.16

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Solution

The fourth proportional to 26,900.16, 40,356.72 and 8,432.16 is: 12,650.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,900.16 : 40,356.72 = 8,432.16 : x
  2. Step 2: Convert to fraction form
    26,900.16/40,356.72 = 8,432.16/x
  3. Step 3: Cross multiply
    26,900.16x = 40,356.72 × 8,432.16
  4. Step 4: Simplify right side
    26,900.16x = 340,294,320.12
  5. Step 5: Solve for x
    x = 340,294,320.12/26,900.16
  6. Step 6: Final answer
    x = 12,650.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.